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The push button switch, also known as the control button, is a low-voltage electrical appliance that is manually and generally automatically reset. The button is usually used to issue a start or stop command in the circuit to control the on and off of the electrical coil current of the electromagnetic starter, contactor, relay, and the like.

The push button switch is a kind of electric device that is used to switch on and off the small current circuit when the action is released. Generally used in control circuits with AC and DC voltages below 440V and currents less than 5A.

Push_Button Switches R0191A

• Rating：3A 125VAC;1.5A 250VAC

• Contact Resistance：50mΩ Max

• Insulation Resistance：DC 500V 100MΩ Min

• Dielectric Strength：AC 1000V for 1 minute

• Operation Force：350±100gf

• Total Travel：3.0±0.5mm

• Operation Life：10,000 cycles

• Machanical Life：50,000 cycles Min

• Operation Temperation：0℃ ~85℃

Push_Button Switches R0191A Structure Diagram

Part Number	Rating	Contact Resistance	Insulation Resistance	Dielectric Strength	Operation Force	Total Travel	Operation Life	Operation Temperation	Download
R0191A-10B-BR	3A 125VAC;1.5A 250VAC	50mΩ Max	DC 500V 100MΩ Min	AC 1000V for 1 minute	350±100gf	3.0±0.5mm	10,000 cycles	0℃ ~85℃	NULL
R0191A-10B-BB	3A 125VAC;1.5A 250VAC	50mΩ Max	DC 500V 100MΩ Min	AC 1000V for 1 minute	350±100gf	3.0±0.5mm	10,000 cycles	0℃ ~85℃	NULL
R0191B-10A-R	3A 125VAC;1.5A 250VAC	50mΩ Max	DC 500V 100MΩ Min	AC 1000V for 1 minute	350±100gf	3.0±0.5mm	10,000 cycles	0℃ ~85℃	NULL

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